/* Font Face Declarations - Sarabun Local */
@font-face {
    font-family: 'Sarabun';
    src: url('fonts/Sarabun-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Sarabun';
    src: url('fonts/Sarabun-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Sarabun';
    src: url('fonts/Sarabun-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Sarabun';
    src: url('fonts/Sarabun-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Sarabun';
    src: url('fonts/Sarabun-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2d5016;
    --secondary-color: #4a7c2a;
    --accent-color: #ff6b35;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Sarabun', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo h1 {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 700;
}

.nav {
    display: none;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav a:hover {
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 767px) {
    .nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 1.5rem;
        gap: 1rem;
        z-index: 999;
    }

    .nav.active a {
        padding: 0.75rem;
        border-bottom: 1px solid var(--bg-light);
    }

    .nav.active a:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f5e9 100%);
    padding: 3rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 80, 22, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    background: #e55a2a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(74, 124, 42, 0.3);
}

.btn-secondary:hover {
    background: #3d6a23;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 124, 42, 0.4);
}

/* About Section */
.about {
    padding: 3rem 1rem;
    background: var(--white);
}

.about-content {
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-color);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 3rem 1rem;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Products Section */
.products {
    padding: 3rem 1rem;
    background: var(--white);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.product-info {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-store {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.product-price-original {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-right: 0.5rem;
}

.product-link {
    padding: 0.625rem 1.25rem;
    background: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.product-link:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-card {
    position: relative;
}

/* CTA Section */
.cta {
    padding: 3rem 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 2rem 1rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    display: block;
    color: var(--white);
    text-decoration: none;
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }

    .nav {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .hero {
        padding: 5rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .about-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }

    .cta-content h2 {
        font-size: 2.25rem;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-image {
        height: 250px;
    }
}

/* Loading Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeIn 0.5s ease-out;
}